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Finding the Fourth Proportional to 57,806.49, 86,708.51 and 26,641.74

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Solution

The fourth proportional to 57,806.49, 86,708.51 and 26,641.74 is: 39,962.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,806.49 : 86,708.51 = 26,641.74 : x
  2. Step 2: Convert to fraction form
    57,806.49/86,708.51 = 26,641.74/x
  3. Step 3: Cross multiply
    57,806.49x = 86,708.51 × 26,641.74
  4. Step 4: Simplify right side
    57,806.49x = 2,310,065,871.06
  5. Step 5: Solve for x
    x = 2,310,065,871.06/57,806.49
  6. Step 6: Final answer
    x = 39,962.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.